Decades: 450s BC 440s BC 430s BC 420s BC 410s BC - **400s BC** - 390s BC 380s BC 370s BC 360s BC 350s BC

Years: 411 BC 410 BC 409 BC 408 BC 407 BC - **406 BC** - 405 BC 404 BC 403 BC 402 BC 401 BC

**Events**

- Battle of Ephesus - The Spartans under Lysander defeat part of the Athenian fleet.
- Battle of Arginusae - Athens defeats the Spartan fleet in their last victory of the Peloponnesian War
- Agrigentum is taken by the Carthaginians.

**Deaths**